MySQL 5.5 Reference Manual :: 2 Installing and Upgrading MySQL :: 2.3 Installing MySQL on Windows :: 2.3.3 Using the MySQL Installation Wizard :: 2.3.3.6 Upgrading MySQL with the Installation Wizard
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- 2.3.3 Using the MySQL Installation Wizard
- 2.3.3.1 Downloading and Starting the MySQL Installation Wizard
- 2.3.3.2 Choosing an Install Type
- 2.3.3.3 The Custom Install Dialog
- 2.3.3.4 The Confirmation Dialog
- 2.3.3.5 Changes Made by MySQL Installation Wizard
- 2.3.3.6 Upgrading MySQL with the Installation Wizard
The MySQL Installation Wizard can perform server upgrades automatically using the upgrade capabilities of MSI. That means you do not need to remove a previous installation manually before installing a new release. The installer automatically shuts down and removes the previous MySQL service before installing the new version.
Automatic upgrades are available only when upgrading between installations that have the same major and minor version numbers. For example, you can upgrade automatically from MySQL 4.1.5 to MySQL 4.1.6, but not from MySQL 5.4 to MySQL 5.5.
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